Data pen



FIG. 1 is a right side elevational view of a data pen, showing my new design therefor;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view of a data pen showing a second embodiment of my design;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a right side elevational view of a data pen showing a third embodiment of my new design;

FIG. 12 is a front elevational view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a rear elevational view thereof; and,

FIG. 15 is a bottom plan view thereof. 

The ornamental design for a data pen, as shown and described. 